package com.usian.inertfacehd;

public class Emps {
 private CallBack Back;
    public Emps(CallBack callBack){
        this.Back=callBack;
    }

    public void doWork(){
        System.out.println("努力加班中！！++shuanQ");
        Back.doEvent();
    }

    public void docat(){
        System.out.println("xiaomao");
        Back.doWork();
    }

}
